Setting Up Your Base Station And Rover Unit



Setting Up Your Base Station And Rover Unit

Base-Station Setup:

1. Using a tripod and tribrach, set up and level over the base station point.

2. Connect the GPS antenna cable to the GPS antenna and attach the antenna to the tribrach.

3. Connect other end of GPS antenna cable to the receiver.

4. Connect five-pin cable to receiver (PWR 1 or PWR 2) and plug SAE connector into appropriate SAE cable to desired power source (camcorder battery, deep-cycle marine battery, car battery, direct power, extension, etc.)

5. Connect base radio to power source through large five-pin cable with Y-split.

6. Plug other end of radio power cable into serial port C on the receiver.

7. Connect radio antenna cable to base radio.

8. Attach radio antenna mount to tripod.

9. Attach radio antenna to antenna mount.

10. Plug the Data Collector-to-receiver cable into serial port A on the receiver and the other end into the data collector.

11. Turn on the power to the base radio, the receiver and the controller/data collector.

Rover Setup:

1. Connect the GPS antenna cable to the GPS antenna and attach the antenna to a range pole or other such device.

2. Connect other end of GPS antenna cable to the receiver.

3. Connect five-pin cable to receiver (PWR 1 or PWR 2) and plug SAE connector into appropriate SAE cable to desired power source.

4. Connect rover radio to receiver serial port C using the rover radio cable.

5. Attach radio antenna to rover radio.

6. Plug the Data-Collector-to-receiver cable into serial port A on the receiver and the other end into the data collector.

7. Turn on the power to the rover radio, the receiver and the controller/data collector.

Controller Setup (Ranger with TDS SurveyPro software):

Base Station:

1. Open an existing job or Create a new one.

2. Select “Job” from the left side of the main menu, and “Settings” from the right side.

3. Make the following selections on the “Settings” screen.

• Brand: Topcon TPS

• Model: (Select the model being used)

• GPS Mode: RTK

4. Click on the “Receiver Settings…” button in the bottom right of the screen

5. If a message saying “Unable to establish communication with receiver. Start with Auto Detect function.” appears on the screen, click OK.

6. You should now be in the “GPS Receiver Settings” screen.

7. Choose the format for your radio communication (RTCM or CMR). Be sure to remain consistent between base and rover.

8. Click on the “Change…” button in the bottom right corner. This will take you to the “Receiver Communication” screen.

9. Click on the “Auto Detect” button in the bottom right corner. It should immediately find the receiver at a baud rate of 115200 at Serial Port (GPS Receiver): A and Serial Port (Data Collector): COM 1

10. Click on the “Receiver Set” button in the bottom middle of the screen. This will take you back to the “GPS Receiver Settings” screen.

11. Click on the “Base Radio” tab at the top of the screen.

12. Choose the type of Radio Modem you are using (probably Pac Crest).

13. Click on the “Configure Serial” button on the right of the screen. This will take you to the “Radio Communications” screen.

14. Choose Baudrate: 38400 and Serial Port (GPS Receiver): C and click on the “Receiver Set” button. This will take you back to the “GPS Receiver Settings” screen.

15. To set/check the radio channel, click on “Configure Modem.”

16. A message will come up saying, “This function works best when the radio is quiet. It is recommended that you unplug the GPS antenna to halt RTK messages out the radio port.” Click OK.

17. You will then probably be asked to cycle the base radio power off and back on. Once the hourglass quits spinning, the Ranger should return the current settings of the radio, both channel and sensitivity. Choose the channel you wish to use and set the sensitivity to “Low.”

18. Click “Set” and then “OK” to return to the “GPS Receiver Settings” screen.

19. You can change your mask angle, and turn on Co-op Tracking and Multipath Reduction on the “General” tab.

20. Click OK in the upper right corner twice to get back to the main menu.

21. Select “Survey” from the left side of the main menu, and “Base Setup” from the right side.

22. Click the “Setup …” button in the lower left corner of the screen. This will take you to the “Base Setup” screen.

23. Choose a point for your base station setup. If it is a point with known coordinates, then pick the corresponding point number. If it is a random point, then give it some point number that is meaningful to you and will not be grouped in with your data collection points.

24. Click on the “Setup HR” button to go to the “Base Receiver Antenna” screen.

25. Choose your “Antenna Type:” and “Measure To:” information from the pull-down menus.

26. Enter your measured antenna height in the “Measured:” box. You will notice one or two grayed boxes below your measured height. These are computed values based on your antenna type and the point you measured to on the antenna. You cannot change these values.

27. Click on the “Set” button to return to the “Base Setup” screen.

28. Click on the “Next” button.

29. If you chose a point that already has GPS coordinates, then the Latitude, Longitude, and Ellipsoid height for that point will appear, and you can just click on “SET” in the lower right corner to finish.

30. If you chose a new point with no GPS coordinates, then a different screen will come up. Choose the number of epochs you want to average before establishing the base position, and then choose “GET Position from Rx”.

31. Once you have a position for your base station, choose “SET” in the lower right corner.

32. You may get a message telling you that “This receiver currently not set as a base. Press OK to continue setup. Press cancel to quit.” Choose OK and continue.

33. You should be back at the “Current GPS Base Station” screen. Click “Close” in the lower right corner to return to the main menu.

34. Check the “TX” light on the base radio to be sure that it is flashing a steady, one-second pulse and that the “RX” light is not lit at all.

35. Base Station setup is now complete.

Rover:

1. Select “Job” from the left side of the main menu, and “Settings” from the right side.

2. Make the following selections on the “Settings” screen.

3. Brand: Topcon TPS

4. Model: (Select the model being used)

5. GPS Mode: RTK

6. Click on the “Receiver Settings…” button in the bottom right of the screen

7. If a message saying “Unable to establish communication with receiver. Start with Auto Detect function.” appears on the screen, click OK.

8. You should now be in the “GPS Receiver Settings” screen.

9. Choose the format for your radio communication (RTCM or CMR). Be sure to remain consistent between base and rover.

10. Click on the “Change…” button in the bottom right corner. This will take you to the “Receiver Communication” screen.

11. Click on the “Auto Detect” button in the bottom right corner. It should immediately find the receiver at a baud rate of 115200 at Serial Port (GPS Receiver): A and Serial Port (Data Collector): COM 1

12. Click on the “Receiver Set” button in the bottom middle of the screen. This will take you back to the “GPS Receiver Settings” screen.

13. Click on the “Rover Radio” tab at the top of the screen.

14. Choose the type of Radio Modem you are using (probably Pac Crest or Pac Crest Internal).

15. Click on the “Configure Serial” button on the right of the screen. This will take you to the “Radio Communications” screen.

16. Choose Baudrate: 38400 and Serial Port (GPS Receiver): C and click on the “Receiver Set” button. This will take you back to the “GPS Receiver Settings” screen.

17. To set/check the radio channel, click on “Configure Modem.”

18. A message will come up saying, “This function works best when the radio is quiet. It is recommended that you unplug the GPS antenna to halt RTK messages out the radio port.” Click OK.

19. If you are close to the base station, turn off the power to the base radio. If you are not near the base station, continue and be advised that the Ranger will most likely not be able to return the sensitivity of the radio, but you will be able to set it.

20. You will then probably be asked to cycle the rover radio power off and back on. Once the hourglass quits spinning, the Ranger should return the current settings of the radio, both channel and sensitivity. Choose the channel you wish to use and set the sensitivity to “High.”

21. Click “Set” and then “OK” to return to the “GPS Receiver Settings” screen.

22. You can change your mask angle on the “General” tab.

23. Click OK in the upper right corner twice to get back to the main menu.

24. Select “Survey” (2) from the left side of the main menu, and “Rover Setup” (B) from the right side.

25. Click the “Setup …” button in the lower left corner of the screen. This will take you to the “Rover Setup” screen.

26. Click on the “Setup HR” button to go to the “Base Receiver Antenna” screen.

27. Choose your “Antenna Type:” and “Measure To:” information from the pull-down menus.

28. Enter your measured antenna height in the “Measured:” box. You will notice one or two grayed boxes below your measured height. These are computed values based on your antenna type and the point you measured to on the antenna. You cannot change these values.

29. Click on the “Set” button to return to the “Rover Setup” screen.

30. If this is Ranger that you used to set up the Base Station, then just click the “SET Rover” button. You will be returned to the main menu.

31. If this is NOT the Ranger that you used to set up the Base Station, then click “GET from Base.”

32. A message will appear saying, “Rover will be set with the antenna height entered below. Make sure it is correct. Are you ready to proceed?” If your antenna height is correct, then just click “GET” and another message might pop up saying, “This receiver currently not set as a rover. Press OK to continue setup. Press cancel to quit.” Click OK.

33. A status bar will work its way across the screen. Once it has finished, it will return you to the main screen.

34. Check GPS Status to be sure you are getting radio link and a fixed position.

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